[Event "Olympiad-26"]
[Site "Thessaloniki"]
[Date "1984.12.02"]
[Round "13"]
[White "Potter, Simon"]
[Black "Ayinla, JA"]
[Result "1/2-1/2"]

1. e4 e6 2. Nf3 d5 3. e5 c5 4. d4 cxd4 5. Nxd4 Bc5 6. c3 Qb6 7. Be2 Nc6 8. Bb5 Ne7 9. Qd3 O-O 10. Be3 Nxe5 11. Qe2 a6 12. b4 axb5 13. bxc5 Qa5 14. Nxb5 Nc4 15. Nd4 Nxe3 16. Qxe3 Qxc5 17. O-O Kh8 18. Nd2 Nc6 19. N2f3 Bd7 20. Qd3 Nxd4 21. cxd4 Qe7 22. Rfe1 Ra3 23. Qb1 b5 24. Re5 f5 25. Re2 Rc3 26. Qe1 b4 27. Rb2 Rfc8 28. Rab1 h6 29. h3 Rb8 30. Qd2 Ba4 31. a3 Rxa3 32. Rxb4 Rxb4 33. Qxb4 Qxb4 34. Rxb4 Bd1 35. Ne5 Ra6 36. h4 Kh7 37. g3 Bc2 38. f3 Ra1+ 39. Kf2 Rb1 40. Rxb1 Bxb1 41. f4 Bc2 42. Ke3 g6 43. Kd2 Ba4 44. Ke3 Kg7 45. Kf3 Kf6 46. Kf2 g5 47. Kf3 g4+ 48. Ke3 Bb5 49. Kd2 Ke7 50. Kc3 Kd8 51. Kb4 Be8 52. Kc5 Kc7 53. Nd3 Kd7 54. Ne5+ Ke7 55. Nd3 Ba4 56. Ne5 Be8 57. Nd3 Bg6 58. Ne5 Be8 59. Nd3 Ba4 60. Ne5 Be8 61. Nd3 Kd7 62. Ne5+ Kc7 63. Nd3 Bf7 64. Ne5 Bg8 65. Nd3 Bf7 1/2-1/2